- Supreme Court of Minnesota | Friday, July 2, 1976 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, January 21, 1977 | Cited 0 times
- Supreme Court of Minnesota | Friday, March 21, 1969 | Cited 0 times
- Supreme Court of Minnesota | Friday, February 23, 1973 | Cited 0 times
- Michigan Supreme Court | Friday, March 8, 1963 | Cited 0 times
- Supreme Court of Minnesota | Friday, May 5, 1978 | Cited 0 times
- California Court of Appeal | Wednesday, May 31, 1972 | Cited 0 times